package demo4;

import com.sun.security.jgss.GSSUtil;

public class Duck extends Animal implements IRunning,ISwimming,IFlying{
    public Duck(String name,int age) {
        super(name,age);
    }

    @Override
    public void run() {
        System.out.println(this.name + " 正在跑...");
    }

    @Override
    public void swim() {
        System.out.println(this.name + " 正在游...");
    }

    @Override
    public void fly() {
        System.out.println(this.name + " 正在飞...");
    }
}
